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Class Information
Number: 280/477
Name: Land vehicles > Wheeled > Articulated vehicle > Connection facilitating
Description: Devices having means designed to lessen the labor involved in effecting a connection or disconnection between the vehicles.










Sub-classes under this class:

Class Number Class Name Patents
280/478.1 Draft element bodily shiftable 99


Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
8662520 Hitch adapter Mar. 4, 2014
8646799 Hitch guide assembly with displaceable guide member Feb. 11, 2014
8622414 Vehicle coupling device Jan. 7, 2014
8562012 Roll coupling trailer hitch assembly Oct. 22, 2013
8534631 Trailer jack support block Sep. 17, 2013
8485545 Hitch Jul. 16, 2013
8444169 Trailer hitch coupler May. 21, 2013
8444168 Configuration of an electro-mechanical fifth wheel lock control unit (lock controller) May. 21, 2013
8366136 Class IV adjustable trailer hitch assembly Feb. 5, 2013
8366134 Slidable fifth wheel hitch with automatic locking latch Feb. 5, 2013
8333402 System for vehicle and trailer connection Dec. 18, 2012
8322743 Gooseneck trailer hitch alignment apparatus Dec. 4, 2012
8313119 Combined trailer hitch coupler guide and securement assembly and method Nov. 20, 2012
8308182 Trailer connection assist system Nov. 13, 2012
8276930 Tow bar having multiple interchangeable towing assemblies Oct. 2, 2012
8262120 Trailer coupler Sep. 11, 2012
8240694 Trailer hitch alignment device Aug. 14, 2012
8215656 Trailer wiring connection Jul. 10, 2012
8205904 Vehicle mounting Jun. 26, 2012
8201843 Trailer hitch system Jun. 19, 2012
8191915 Vehicle docking assistance system Jun. 5, 2012
8191914 Roll coupling trailer hitch assembly Jun. 5, 2012
8181725 Aircraft tug May. 22, 2012
8181984 Trailer accessory device May. 22, 2012
8096572 Gooseneck trailer hitch alignment system Jan. 17, 2012
8091914 Universal trailer hitch guide apparatus Jan. 10, 2012
8079614 Towmotor secondary lock Dec. 20, 2011
8047559 Self-locking, universal trailer hitch and method of use thereof Nov. 1, 2011
8033562 Vehicle tow hitch with coupling guide Oct. 11, 2011
8029012 Device, system and method for automated tow coupling Oct. 4, 2011
7976051 Dolly alignment guide for large, multi-trailer/van rigs Jul. 12, 2011
7976052 Lock and positioning assembly for the tongue of a steerable trailer Jul. 12, 2011
7976054 Shock dampening hitch ball assembly Jul. 12, 2011
7967321 Roll coupling trailer hitch assembly Jun. 28, 2011
7963544 Self-locking, universal trailer hitch and method of use thereof Jun. 21, 2011
7946606 Converter dolly backup device May. 24, 2011
7909350 Method and apparatus for adjustable trailer hitch Mar. 22, 2011
7900949 Trailer hitch loader Mar. 8, 2011
7896373 Locking pin locating device Mar. 1, 2011
7891691 Trailer hitch alignment guide Feb. 22, 2011
7891692 Alignment unit for campers and method of use Feb. 22, 2011
7883102 Apparatus for aligning trailer hitch Feb. 8, 2011
7850191 Trailer wiring connection Dec. 14, 2010
7850190 Hitch and coupling arrangement for automatically effecting towing hitch and fluid quick-coupler connections between a nurse tank wagon and an NH.sub.3 applicator implement Dec. 14, 2010
7780323 Illumination apparatus Aug. 24, 2010
7777615 System for assisting the attachment of a trailer to a vehicle Aug. 17, 2010
7775543 Recreational vehicle Aug. 17, 2010
7770870 Tow ball winch mount Aug. 10, 2010
7766362 Method and apparatus for the lineal, straight, reverse movement of one or more vehicles in tow behind a prime mover Aug. 3, 2010
7753392 Slidable fifth-wheel hitch having adjustable guides Jul. 13, 2010

1 2 3 4 5 6 7 8 9










 
 
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